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1PTEN-L is a novel protein phosphatase for ubiquitin dephosphorylation to inhibit PINK1-Parkin-mediated mitophagy显示文摘Mitophagy 是为损坏线粒体的特定的消除的选择 autophagy 的一种重要类型。(PINK1 )导致 PTEN 的通常认为的 kinase 蛋白质 1 催化 ubiquitin (Ub ) 的 phosphorylation 在 PINK1-Parkin-mediated mitophagy 的发作起一个关键作用。(PTEN-L ) 磷酸酶和 tensin 相当或相同的事物(PTEN ) 长是 PTEN 的最新识别的 isoform,与到它的 N 终点的 173 氨基酸的增加。这里,我们报导 PTEN-L 是经由它对 phosphorylated ubiquitin 的蛋白质磷酸酶活动的 mitophagy 的一个新奇否定管理者。我们发现 PTEN-L 在外部 mitochondrial 膜(OMM ) 本地化,而 PTEN-L 的删除支持, PTEN-L 的 overexpression 禁止, mitophagy 由各种各样的损坏线粒体的代理人导致了。机械学地, PTEN-L 能够有效地阻止 Parkin mitochondrial translocation,减少 Parkin phosphorylation,维持它的关上的不活跃的符合构造,并且禁止它的 E3 ligase 活动。更重要地, PTEN-L 在 vivo 减少 phosphorylated ubiquitin (pSer65-Ub ) 的水平,并且在 vitro,磷酸酶试金经由它的蛋白质磷酸酶活动证实那 PTEN-L dephosphorylates pSer65-Ub,独立于它的类脂化合物磷酸酶功能。一起拿,我们的调查结果为 ubiquitin 作为蛋白质磷酸酶表明 PTEN-L 的新奇功能,它抵抗在 mitophagy 正式就职和 mitophagy 的最终的抑制导致前馈控制机制的阻塞的调停 PINK1 的 ubiquitin phosphorylation。因此,理解 PTEN-L 的这新奇功能在控制 mitophagy 的分子的难题提供一关键错过片,在包括象 Parkinsons 那样的 neurodegenerative 混乱的许多重要人的疾病的一个批评过程疾病。Liming Wang Yik-Lam Cho Yancheng Tang Jigang Wang Jung-Eun Park Yajun Wu Chunxin Wang Yan Tong Ritu Chawla Jianbin Zhang Yin Shi Shuo Deng Guang Lu Yihua Wu Hayden Weng-Siong Tan Pornteera Pawijit Grace Gui-Yin Lim Hui-Ying Chan Jingzi Zhang Lei Fang Hanry Yu Yih-Cherng Liou Mallilankaraman Karthik Boon-Huat Bay Kah-Leong Lim Siu-Kwan Sze Celestial T. Yap Han-Ming Shen 2018Cell Research2018,28,8:25
2Risk factors for early recurrence of small hepatocellular carcinoma after curative resection显示文摘BACKGROUND:Poorer prognosis is seen in patients with hepatocellular carcinoma (HCC) after curative hepatic resection with early recurrence (≤1 year) than in those with late recurrence (>1 year).This study aimed to identify risk factors for postoperative early recurrence of small HCC (≤3 cm in diameter).METHODS:The study population consisted of 158 patients who underwent curative resection for small HCC between January 2002 and July 2004.Risk factors for early recurrence were analyzed.RESULTS:Thirty-three (20.8%) patients developed early recurrence after surgery.Univariate analysis showed the following significant risk factors for early recurrence in small HCC:serum alpha-fetoprotein (AFP) level >100 ng/ml,lack of tumor capsule formation,microscopic vascular invasion,high Edmonson-Steiner grades,and cytokeratin-19 (CK-19) expression (P<0.05).Multivariate stepwise logistic regression analysis showed that serum AFP level >100 ng/ml (odds ratio 2.561,95% confidence interval 1.057 to 6.206,P=0.037) and microscopic vascular invasion (odds ratio 4.549,95% confidence interval 1.865 to 11.097,P=0.001) were independent factors.CONCLUSIONS:Postoperative early recurrence is related to serum AFP level >100 ng/ml and microscopic vascular invasion in patients with small HCC.Adjuvant therapy and careful follow-up are required for patients with these risk factors.Zhou, Yan-Ming Yang, Jia-Mei Li, Bin Yin, Zheng-Feng Xu, Feng Wang, Bin Xu, Wen Kan, Tong 2010Hepatobiliary & Pancreatic Diseases International2010,9,1:24
3Application of Non-invasive Microsensing System to Simultaneously Measure Both H^+ and O2 Fluxes Around the Pollen Tube显示文摘在细胞外的环境的各种各样的离子、分子的活动是重要的种房间生理的过程。一个 noninvasive microsensing 系统(NMS ) 基于也扫描离子选择的电极技术(SIET ) 或扫描 polarographic 电极技术(SPET ) 能在正常生理的条件下面在未经触动的样品关于各种各样的离子 / 分子的交通获得信息。二探查的同时的测试系统(2STS ) 是由 SIET, SPET,和一个 Xu-Kunkel 采样协议组成的一个综合系统。在现在的学习, 2STS 能同时测量 H+ 的流动和百合的 O2 (Lilium longiflorum Thunb。cv。王牌) 花粉试管当避免在二根探针之间的干扰时。而氧流动是,结果显示质子流动是流出流入,和他们密切被相关到包围组成的碱的乐队区域的对方。明确地,当质子流出增加了时,氧流入也增加了。因此,在 Hepler 的组建议的花粉试管的 alkalized 区域存在的压缩活跃线粒体的假设被支持。Yue Xu Tong Sun Li-Ping Yin 2006Journal of Integrative Plant Biology2006,48,7:21
4Effect of intestinal ischemia-reperfusion on expressions of endogenous basic fibroblast growth factor and transforming growth factor β in lung and its relation with lung repair显示文摘AIM To study the changes of endogenoustransforming growth factor β(TGFβ)and basicfibroblast growth factor(bFGF)in lung followingintestinal ischemia and reperfusion injury andtheir effects on lung injury and repair.METHODS Sixty Wistar rats were divided intofive groups,which underwent sham-operation,ischemia(45 minutes),and reperfusion(6,24and 48 hours,respectively)after ischemia(45minutes).Immunohistochemical method wasused to observe the localization and amounts ofboth growth factors.RESULTS Positive signals of both growthfactors could be found in normal lung,mainly inalveolar cells and endothelial cells of vein.Afterischemia and reperfusion insult,expressions ofboth growth factors were increased and theiramounts at 6 hours were larger than those ofnormal control or of 24 and 48 hours after insult.CONCLUSION The endogenous bFGF and TGF βexpression appears to be up-regulated in thelung following intestinal ischemia andreperfusion,suggesting that both growth factorsmay be involved in the process of lung injury andrepair.Xiao Bing Fu Yin Hui Yang Tong Zhu Sun Xiao Man Gu Li Xian Jiang Xiao Oing Sun Zhi Yong Sheng Research Laboratory,304th Hospital of PLA,Beijing 100037,China 2000World Journal of Gastroenterology2000,6,3:21
5Selective Ferroptosis Inhibitor Liproxstatin-1 Attenuates Neurological Deficits and Neuroinflammation After Subarachnoid Hemorrhage显示文摘Ferroptosis is a form of iron-dependent regulated cell death.Evidence of its existence and the effects of its inhibitors on subarachnoid hemorrhage(SAH)is still lacking.In the present study,we found that liproxstatin-1 protected HT22 cells against hemin-induced injury by protecting mitochondrial functions and ameliorating lipid peroxidation.In in vivo experiments,we demonstrated the presence of characteristic shrunken mitochondria in ipsilateral cortical neurons after SAH.Moreover,liproxstatin-1 attenuated the neurological deficits and brain edema,reduced neuronal cell death,and restored the redox equilibrium after SAH.The inhibition of ferroptosis by liproxstatin-1 was associated with the preservation of glutathione peroxidase 4 and the downregulation of acylCoA synthetase long-chain family member 4 as well as cyclooxygenase 2.In addition,liproxstatin-1 decreased the activation of microglia and the release of IL-6,IL-1 b,and TNF-a.These data enhance our understanding of cell death after SAH and shed light on future preclinical studies.Yang Cao Yin Li Chao He Feng Yan Jian-Ru Li Hang-Zhe Xu Jian-Feng Zhuang Hang Zhou Yu-Cong Peng Xiong-Jie Fu Xiao-Yang Lu Yuan Yao Yu-Yu Wei Yun Tong Yi-Fu Zhou Lin Wang 2021Neuroscience Bulletin2021,37,4:16
6Prognosis-related classifi cation and dynamic monitoring of immune status in patients with sepsis:A prospective observational study显示文摘BACKGROUND:The dynamic monitoring of immune status is crucial to the precise and individualized treatment of sepsis.In this study,we aim to introduce a model to describe and monitor the immune status of sepsis and to explore its prognostic value.METHODS:A prospective observational study was carried out in Zhongshan Hospital,Fudan University,enrolling septic patients admitted between July 2016 and December 2018.Blood samples were collected at days 1 and 3.Serum cytokine levels(e.g.,tumor necrosis factor-α[TNF-α],interleukin-10[IL-10])and CD14+monocyte human leukocyte antigen-D-related(HLA-DR)expression were measured to serve as immune markers.Classifi cation of each immune status,namely systemic inflammatory response syndrome(SIRS),compensatory anti-inflammatory response syndrome(CARS),and mixed antagonistic response syndrome(MARS),was defined based on levels of immune markers.Changes of immune status were classifi ed into four groups which were stabilization(SB),deterioration(DT),remission(RM),and non-remission(NR).RESULTS:A total of 174 septic patients were enrolled including 50 non-survivors.Multivariate analysis discovered that IL-10 and HLA-DR expression levels at day 3 were independent prognostic factors.Patients with MARS had the highest mortality rate.Immune status of 46.1%patients changed from day 1 to day 3.Among four groups of immune status changes,DT had the highest mortality rate,followed by NR,RM,and SB with mortality rates of 64.7%,42.9%,and 11.2%,respectively.CONCLUSIONS:Severe immune disorder defi ned as MARS or deterioration of immune status defi ned as DT lead to the worst outcomes.The preliminary model of the classifi cation and dynamic monitoring of immune status based on immune markers has prognostic values and is worthy of further investigation.Jun Yin Yao Chen Jun-ling Huang Lei Yan Zhong-shu Kuang Ming-ming Xue Si Sun Hao Xiang Yan-yan Hu Zhi-min Dong Chao-yang Tong Chun-xue Bai Zhen-ju Song 2021World Journal of Emergency Medicine2021,12,3:16
7Curculigoside isolated from Curculigo orchioides prevents hydrogen peroxide-induced dysfunction and oxidative damage in calvarial osteoblasts显示文摘反应的氧种类(ROS ) 包括 H2O2,在骨质疏松症的 pathophysiology 起一个关键作用。因此,能禁止 ROS 生产的代理人或抗氧化剂在骨质疏松症的治疗有高临床的价值。Curculigoside (杂种狗) ,酉分的混合物从 Curculigo orchioides Gaertn 的根茎孤立的主要 bioactive 之一,被报导有有势力抗氧化剂和 anti-osteoporotic 性质。然而,没有直接证据与观察 anti-osteoporotic 效果连接杂种狗的抗氧化剂能力,并且相关分子的机制仍然保持不清楚。因此,我们在 calvarial 造骨细胞对氧化应力调查了杂种狗的保护的效果并且讨论了相关机制。造骨细胞生存能力在 48-h 暴露以后显著地减少了到 H2O2 的 400 M,这被发现,与对待车辆的房间相比,并且 H2O2 的细胞毒素的效果显著地被颠倒什么时候有杂种狗的 0.110 M 的 pretreated (P < 0.05 ) 。有杂种狗的 0.110 M 的预告的处理减少了 ROS 生产和类脂化合物 peroxidation,并且增加了抗氧化剂酶的活动,例如 superoxide,在造骨细胞的 dismutase 和谷胱甘肽 peroxidase 由 H2O2 导致了。另外,象碱的磷酸酶,钙免职,和 Runx2 水平那样的区别标记的导致 H2O2 的减小显著地面对杂种狗被恢复。杂种狗也颠倒了细胞外的调整信号的 kinase 1/2,并且原子 factor-B 发信号和 p38 的抑制的导致 H2O2 的刺激激活 mitogen 的蛋白质 kinase 激活。这些结果通过减少 ROS 的生产提供新卓见进杂种狗的造骨细胞保护的机制,建议那条杂种狗可以作为为骨质疏松症和另外的骨头相关的人的疾病的预防和处理的一个对简历安全的代理人被开发。Ying Wang Lu Zhao Yin Wang Jinlong Xu Yah Nie Yuanhui Guo Yongtao Tong Luping Qin Qiaoyan Zhang 2012Acta Biochimica et Biophysica Sinica2012,44,5:15
8Lymphocyte Subsets and Sister-chromatid Exchanges in the Students Exposed to Formaldehyde Vapor显示文摘The present report evaluates the effects of formaldehyde (FA) exposure on peripheral lymphocytes by using heth genetic and immunological parameters. Twenty-three non-smoking students in the study had inhalation exposure to 0.508 ±0. 299 mg/m3 of FA for a Period of 8 weeks (3h × 3 times each week) during anatomy classes. As for composition of lymphocyte subsets after FA exposare,significant increase was found in the percentage of CD19(B cells), while sighficant decrease was observed in CD3(total T cells), CD4(T helper-inducer cells), and CD8(T cytotoxic-suppressior cells) with a P<0 .01. Increase in the ratio of T-helper-inducer cells to T-cytotoxic-suppressor cells (T4 / T8) was also observed with statistical sighcance after exposure (P < 0.001). In the meanwhile,no significant difference (P > 0 .05) was reported between lymphocyte prolifendion rate and sisterchromatid exchange (SCE) at the exposure level and duration. It is suggested that the lymphocyte subsets may be most susceptible to the effects of FA, though a single immunological endpoint is rarely related with pathophysiological interpretation.YING CHEN-JIANG YE XIAO-LEI XIE HONG YAN WEN-SHENG ZHAO MEI-YING XIA TONG AND YIN SHU-YI.(Department of Environmental Health, Tongji Medical University, Wuhan 430030, China Department of Public Health, Wenzhou Medical College, Wenzhou 317400, China Department of Anatomy,Tongji Medical University, Wuhan 430030, China) 1999Biomedical and Environmental Sciences1999,12,2:15
9Sequence Stratigraphy of the Permian--Triassia Boundary Section of Changxing, Zhejiang, Southern China显示文摘Three third-order sequences and about one hundred high-frequency cycles or Milankovitchcycles within the Late Permian Changxingian to Early Triassic Griesbachian are identified in theMeishan Section of Changxing, Zhejiang Province, southern China, the candidate stratotype sec-tion of the global Permo-Triassic boundary, based on a detailed study of the biological,ecological and high-resolution allochthonous cyclic events, microfacies and depositional systems.Furthermore, the stacking pattern of the depositional systems across various Changxingian andGriesbachian sedimentary facies of the Lower Yangtze and the sequence stratigraphic frameworkare outlined with the Meishan section as the principal section. In this paper the habitat types offossil biota are applied to semiquantitative palaeobathymetry and the study of relative sea levelchanges.Zhang Kexin Tong Jinnan Yin Hongfu and Wu Shunbao China University of Geosciences, Wuhan, Hubei 1997Acta Geologica Sinica(English Edition)1997,71,1:14
10RESEARCH ON THE EVALUATION METHOD OF FRICTION AND LUBRICATION IN DEEP DRAWING显示文摘The deformation characteristic of bland in deep drawing is discussed. It is pointed out that the friction and lubrication conditions in for drawing are different from that in mechanical motion or machine work or other plastic process. The common test methods in laboratories are analyzed. It shows that though all those test methods can test the friction coefficient, the probe test method is most suitable for the research of friction and lubrication and the process in deep drawing, for this method is identical with the actual work condition either from the test principle or deformation status of the blank. Last the successful application in the deep drawing simulator newly developed the the probe method are intro- duced in detail.D. N. He, X. F. Yin, H. Z. Thao, D. L*, X. Y. Ruan, J. L. Cheng and J. Y. Jiang 1) Shanghai Jiao Tong University, National Die & Mold CAD E. R. C, Shanghai 200030, China 2) Shanghai Vopkswagen Automotive Company Ltd., Shanghai 201805, China Manuscript re 2000Acta Metallurgica Sinica(English Letters)2000,13,2:13
11A novel partner of Scalloped regulates Hippo signaling via antagonizing Scalloped-Yorkie activity显示文摘由调整 transcriptional 激活剂 Yorkie (Yki ) 的活动的河马(Hpo ) 小径控制织物生长和机关尺寸,它在原子核与抄写因素 Scalloped (Sd ) 联系下游地支持指向基因表示。这里,我们识别新奇蛋白质 Sd-Binding-Protein (SdBP )/Tgi,它直接通过它的 TDU 域为绑定与 Yki 竞争到 Sd 并且禁止 Sd-Yki transcriptional 活动。我们也发现 SdBP 经由它的 PPXY 主题与 Yki WW 领域通过协会在原子核保留 Yki。一起,我们作为 Hpo 小径的一个新奇部件识别 SdBP,否定地调整 Sd-Yki 的 transcriptional 活动限制织物生长。Tong Guo Yi Lu Peixue Li Meng-Xin Yin Dekang Lv Wenjing Zhang Huizhen Wang Zhaocai Zhou Hongbin Ji Yun Zhao Lei Zhang 2013Cell Research2013,23,10:13
12Relationship between lymph node sinuses with blood and lymphatic metastasis of gastric cancer显示文摘AIM: To elucidate the relationship between lymph nodesinuses with blood and lymphatic metastasis of gastric cancer.METHODS: Routine autopsy was carried out in the randomlyselected 102 patients (among them 100 patients died ofvarious diseases, and 2 patients died of non-diseasedreasons), their superficial lymph nodes locating in bilateralnecks (include supraclavicle), axilla, inguina, thorax, andabdomen were sampled. Haematoxylin-Eosin staining wasperformed on 10 % formalin-fixed and paraffin-embeddedlymph node tissue sections (Sum). The histological pattemsof the lymph sinuses containing blood were observed underlight microscope. The expression of CD31, a marker forendothelial cell, was detected both in blood and non-bloodcontaining lymph node sinuses with the method ofimmunohistochemistry.RESULTS: Among the 1322 lymph nodes sampled fromthe autopsies of 100 diseased cases, lymph node sinusescontaining blood were found in 809 lymph nodes sampledfrom 91 cases, but couldn't be seen in the lymph nodessampled from the non-diseased cases. According to histology,we divided the blood containing lymph node sinuses intofive categories: vascular-opening sinus, blood-deficient sinus,erythrophago-sinus, blood-abundant sinus, vascular-formative sinus. Immunohistochemical findings showed thatthe expression of CD31 was strongly positive in vascular-formative sinuses and some vascular-opening sinuses whileit was faint in blood-deficient sinuses, erythrophago-sinusesand some vascular-opening sinuses. It was almost negativein blood-abundant sinus and non-blood containing sinus.CONCLUSION: In the state of disease, the phenomenonof blood present in the lymph sinus is not uncommon. Bloodcould possibly enter into the lymph sinuses through thelymphaticovenous communications between the veins andthe sinuses in the node. Lymph circulation and the bloodcirculation could communicate with each other in the lymphnode sinuses. The skipping and distal lymphatic metastasisof gastric cancer may have some connection with the bloodcontaining lymph node sinuses.Tong Yin Xiao-Long Ji Min-Shi Shen General Hospital of PLA,28 Fu Xing Road,Beijing 100853,China 2003World Journal of Gastroenterology2003,9,1:12
13Insight-HXMT observations of the first binary neutron star merger GW170817显示文摘Finding the electromagnetic(EM) counterpart of binary compact star merger, especially the binary neutron star(BNS) merger,is critically important for gravitational wave(GW) astronomy, cosmology and fundamental physics. On Aug. 17, 2017,Advanced LIGO and Fermi/GBM independently triggered the first BNS merger, GW170817, and its high energy EM counterpart,GRB 170817 A, respectively, resulting in a global observation campaign covering gamma-ray, X-ray, UV, optical, IR, radio as well as neutrinos. The High Energy X-ray telescope(HE) onboard Insight-HXMT(Hard X-ray Modulation Telescope) is the unique high-energy gamma-ray telescope that monitored the entire GW localization area and especially the optical counterpart(SSS17 a/AT2017 gfo) with very large collection area(~1000 cm^2) and microsecond time resolution in 0.2-5 MeV. In addition,Insight-HXMT quickly implemented a Target of Opportunity(ToO) observation to scan the GW localization area for potential X-ray emission from the GW source. Although Insight-HXMT did not detect any significant high energy(0.2-5 MeV) radiation from GW170817, its observation helped to confirm the unexpected weak and soft nature of GRB 170817 A. Meanwhile,Insight-HXMT/HE provides one of the most stringent constraints(~10^(-7) to 10^(-6) erg/cm^2/s) for both GRB170817 A and any other possible precursor or extended emissions in 0.2-5 MeV, which help us to better understand the properties of EM radiation from this BNS merger. Therefore the observation of Insight-HXMT constitutes an important chapter in the full context of multi-wavelength and multi-messenger observation of this historical GW event.TiPei Li ShaoLin Xiong ShuangNan Zhang FangJun Lu LiMing Song XueLei Cao Zhi Chang Gang Chen Li Chen TianXiang Chen Yong Chen YiBao Chen YuPeng Chen Wei Cui WeiWei Cui JingKang Deng YongWei Dong YuanYuan Du MinXue Fu GuanHua Gao He Gao Min Gao MingYu Ge YuDong Gu Ju Guan ChengCheng Guo DaWei Han Wei Hu Yue Huang Jia Huo ShuMei Jia LuHua Jiang WeiChun Jiang Jing Jin YongJie Jin Bing Li ChengKui Li Gang Li MaoShun Li Wei Li Xian Li XiaoBo Li XuFang Li YanGuo Li ZiJian Li ZhengWei Li XiaoHua Liang JinYuan Liao CongZhan Liu GuoQing Liu HongWei Liu ShaoZhen Liu XiaoJing Liu Yuan Liu YiNong Liu Bo Lu XueFeng Lu Tao Luo Xiang Ma Bin Meng Yi Nang JianYin Nie Ge OU JinLu Qu Na Sai Liang Sun Yin Tan Lian Tao WenHui Tao YouLi Tuo GuoFeng Wang HuanYu Wang Juan Wang WenShuai Wang YuSa Wang XiangYang Wen BoBing WU Mei Wu GuangCheng Xiao He Xu YuPeng Xu LinLi Yan JiaWei Yang Sheng Yang YanJi Yang AiMei Zhang ChunLei Zhang ChengMo Zhang Fan Zhang HongMei Zhang Juan Zhang Qiang Zhang Shu Zhang Tong Zhang Wei Zhang WanChang Zhang WenZhao Zhang Yi Zhang Yue Zhang YiFei Zhang YongJie Zhang Zhao Zhang ZiLiang Zhang HaiSheng Zhao JianLing Zhao XiaoFan Zhao ShiJie Zheng Yue Zhu YuXuan Zhu ChangLin Zou 2018Science China(Physics,Mechanics & Astronomy)2018,61,3:12
14A Review on the Global Stratotype Section and Point of the Permian-Triassic Boundary显示文摘This paper provides a synthetic review of researches on Meishan Section D, the Global Stratotype Section and Point of the Permian-Triassic Boundary (PTB). The history of research, geographic and geological setting of the section are briefly introduced. Changhsingian to “Griesbachian” conodont and ammonoid zonations, the most perfect Permo-Triassic zonations over the world, are presented, with a short discussion on the age of Otoceras. The Changhsingian to “Griesbachian” strata are subdivided into three 3rd order sequences, and the sedimentary structure of each sequence is indicated. The paper presents a correlation of the Changhsingian to “Griesbachian” magnetostratigraphy of the Meishan section with the general scale, and informed the negation of a short magnetic reversal at the PTB suggested by Zhu and Liu (1999). Recent developments of chemostratigraphy of δ 13C and δ 34S are introduced, especially the discovery of more than one negative δ 13C excursions across the PTB. Two important molecular researches reveal the profound changes at the base of eco-system, the microbial catastrophy, and the euxinic conditions in the photic zone during the Permian-Triassic superanoxic event. The paper reports the changes in dating the age of PTB since 2001. According to recent achievements, the age of volcanogenic claybed 25, 14 cm below the PTB, is now set at 252.4±0.3 Ma. A discussion on the eventostratigraphy concludes that, although there is a major event episode at beds 25–26, the events across the PTB at Meishan are multi-episodic and commenced prior to the Event Beds 25–26, thus the possibility that the mass extinction was mainly induced by an exterrestrial impact is largely excluded.YIN Hongfu TONG Jinnan ZHANG Kexin 2005Acta Geologica Sinica(English Edition)2005,79,6:10
15High-performance silicon−graphene hybrid plasmonic waveguide photodetectors beyond 1.55μm显示文摘Graphene has attracted much attention for the realization of high-speed photodetection for silicon photonics over a wide wavelength range.However,the reported fast graphene photodetectors mainly operate in the 1.55μm wavelength band.In this work,we propose and realize high-performance waveguide photodetectors based on bolometric/photoconductive effects by introducing an ultrathin wide silicon−graphene hybrid plasmonic waveguide,which enables efficient light absorption in graphene at 1.55μm and beyond.When operating at 2μm,the present photodetector has a responsivity of ~70 mA/W and a setup-limited 3 dB bandwidth of >20 GHz.When operating at 1.55μm,the present photodetector also works very well with a broad 3 dB bandwidth of >40 GHz(setup-limited)and a high responsivity of ~0.4 A/W even with a low bias voltage of−0.3 V.This work paves the way for achieving highresponsivity and high-speed silicon-graphene waveguide photodetection in the near/mid-infrared ranges,which has applications in optical communications,nonlinear photonics,and on-chip sensing.Jingshu Guo Jiang Li Chaoyue Liu Yanlong Yin Wenhui Wang Zhenhua Ni Zhilei Fu Hui Yu Yang Xu Yaocheng Shi Yungui Ma Shiming Gao Limin Tong Daoxin Dai 2020Light(Science & Applications)2020,9,1:10
16Protection of lung function by introducing single photon emission computed tomography lung perfusion image into radiotherapy plan of lung cancer显示文摘背景肺功能的地位能在肺灌注图象上被显示。与图象,肺癌症的放射疗法计划能被指导到优化的更多。这研究试图估计份量上把功能的肺成像合并到 3-dimensional 的影响保角的放射疗法(3DCRT ) 和为非小的房间肺癌症(NSCLC ) 计划 .Methods 的调制紧张的放射治疗(IMRT ) 经历了放射疗法的有 NSCLC 的十个病人在这研究被包括。在放射疗法前,每个病人与单个光子排放经历了 CT 模拟和肺灌注成像计算断层摄影术(SPECT ) 。SPECT 图象与计划 CT 的模拟被登记并且使用了功能的肺(lung-F ) 和非功能的肺(lung-NF ) 到轮廓。二个 3DCRT 计划和二个 IMRT 计划在每 patient:two 被设计并且比较独自使用模拟 CT 的解剖计划和用除了计划的四种类型的模拟 CT.Dosimetric 参数的 SPECT-CT 的二个功能的计划以肿瘤范围和正常纸巾的回避被比较。全部的放射剂量被放在 66 Gy (2 Gy ? 椠 ???? 散汬氠湩獥愠摮㈠祝栠浵湡朠獡牴捩琠獩?獥 ???? 猠数楣敭獮愠摮琠敨爠獥数瑣癩? 摡慪散瑮渠牯慭? 楴獳敵 ? 愠摮 ??YIN Yong CHEN Jin-hu LI Bao-sheng LIU Tong-hai LU jie BAI Tong DONG Xiao-ling YU Jin-ming 2009Chinese Medical Journal2009,,5:8
17Late Permian-Middle Triassic Sea Level Changes of Yangtze Platform显示文摘This paper first introduces procedures leading to the establishment of Late Permian-Middle Triassic sea level change curve of Yangtze platform. Bathymetric curves extracted from curve of habitat types are first transformed to sea level curves stage by stage. Comparison between curves of Yangtze and the world reveals that because the Late Permian marine sequences are lacking in most parts of the world, the Late Permian to Griesbachian curve of Yangtze may serve as an important reference for further revision of the world curve. The Early-Middle Triassic short-term changes of Yangtze are briefly concordant with those of Haq’s world curve, whereas their long-term changes are discordant. The latter, however, is representative of the East Asian regions affected by the Indosinian orogeny. Basically the third cycles of Yangtze and the world are only pertly concordant, and even in concordant cases their concrete boundaries are not coincident. This indicater that sea level changes are not strictly synchronous over the world. It seems that the 1st and 2nd cycles (supercycles and megacycles) may be world-wide, but not the 3rd cycles.Yin Hongfu Tong Jinnan (Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074) 1996Journal of Earth Science1996,15,1:7
18Silencing RhoA inhibits migration and invasion through Wnt/β-catenin pathway and growth through cell cycle regulation in human tongue cancer显示文摘地岬相当或相同的事物基因家庭成员 A (RhoA ) 作为肿瘤的一个批评管理者被识别了好攻击的行为。在 thisstudy,我们在位于有鳞的细胞 carcinomaof 舌头(TSCC ) 的生长,移植,和侵略下面的机制估计了 RhoA 的角色。TSCC 房间线 SCC-4 和 CAL27 击倒的稳定的 RhoA 用 Lentiviral transfection 被完成。房间移植,侵略,和房间增长上的 RhoA 弄空的 Theeffects 是坚定的。TSCC 房间线上的可能的位于决定 Galectin-3 (Gal-3 ) 的表示下面 mechanismof RhoA 弄空被也评估,在 vivo 的 -catenin, andmatrix metalloproteinase-9 (MMP-9 ) 。同时, TSCC 生长的内在的机制被 cyclin D1/2 的分析学习, p21 CIP1/WAF1 , 和 p27 Kip1 蛋白质层次。Immunohistochemical 评价被执行进一步证明 Gal-3 和 -catenin expression.We 的改变发现了那,在与在舌头的人的 TSCC 房间注射的老鼠, RhoA 层次与在正常纸巾的那些相比在主要肿瘤和 metastasizedlymph 节点是更高的。RhoA 的 Silencing 显著地减少了肿瘤生长, Gal-3 的 decreasedthe 层次, -catenin, MMP-9,和 cyclin D1/2,并且增加了 p21 CIP1/WAF1 和 p27 Kip1 。在 vitro, RhoA 击倒也导致了房间移植,侵略,和增长的抑制。我们的数据建议 RhoA 由通过分别地通过房间周期规定表明小径 andcell 增长的 Wnt/-catenin 调整房间移植和侵略在 TSCC 前进起 asignificant 作用。RhoA 可能是 TSCC 的一个新奇治疗学的目标。Guoxin Yan Ronghai Zou Zhenggang Chen Bing Fan Zhaoyan Wang Ying Wang Xiaonan Yin Dong Zhang Lei Tong Fang Yang Weina Jiang Wensheng Fu Jiwei Zheng Martin O. Bergo Martin Dalin Jiawei Zheng Shulan Chen Jianhua Zhou 2014Acta Biochimica et Biophysica Sinica2014,46,8:7
19Perifosine induces protective autophagy and upregulation of ATG5 in human chronic myelogenous leukemia cells in vitro显示文摘目的: 对长期的 myeloid 的 Akt 禁止者 perifosine 的功效白血病(电流型逻辑) 房间和它行动的机制是未知的。在这研究,电流型逻辑和房间衬里的尖锐 myeloid 白血病(AML ) 上的 perifosine 的细胞毒素的效果与相比阐明位于差别下面的机制。Yin TONG Yan-yan LIU Liang-shun YOU Wen-bin QIAN 2012Acta Pharmacologica Sinica2012,33,4:7
20A secret key distribution technique based on semiconductor superlattice chaos devices显示文摘Key distribution is one of the most important and often also the most difficult parts in cryptography[1].In symmetric key cryptography,both of the sender and the recipient must share the same secure key for successful communication.Traditionally key distribution is achieved by establishing a separate‘‘secure channel'.The‘‘secure channel'can be a specially-built communication link,Wei Liu Zhizhen Yin Xiaoming Chen Zhenyun Peng Helun Song Peihua Liu Xinhai Tong Yaohui Zhang 2018Science Bulletin2018,63,16:7
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